Home / 190,051.10-285,040.20-56,935.70

Finding the Fourth Proportional to 190,051.10, 285,040.20 and 56,935.70

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Solution

The fourth proportional to 190,051.10, 285,040.20 and 56,935.70 is: 85,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,051.10 : 285,040.20 = 56,935.70 : x
  2. Step 2: Convert to fraction form
    190,051.10/285,040.20 = 56,935.70/x
  3. Step 3: Cross multiply
    190,051.10x = 285,040.20 × 56,935.70
  4. Step 4: Simplify right side
    190,051.10x = 16,228,963,315.14
  5. Step 5: Solve for x
    x = 16,228,963,315.14/190,051.10
  6. Step 6: Final answer
    x = 85,392.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.